Ah, yes, this is also why my dictionary should solely tell me how to say words, and never tell me their definitions, since the word diction is predominantly ass

Ah, yes, this is also why my dictionary should solely tell me how to say words, and never tell me their definitions, since the word diction is predominantly associated with speech and comes from the Latin dictare, which is a conjugation of dicere, which means to speak. Dictionaries have no business in providing definitions! Their business is diction!